<?php
class Upload {
	function get($key) {
		return (isset($_FILES[$key]) ? $_FILES[$key] : NULL);
	}
		
	function has($key){
		return is_uploaded_file($_FILES[$key]['tmp_name']);
	}
	
	function getName($key) {
		return (isset($_FILES[$key]['name']) ? $_FILES[$key]['name'] : NULL);
	}
 
	function getType($key) {
		return (isset($_FILES[$key]['type']) ? $_FILES[$key]['type'] : NULL);
	}

	function getSize($key) {
		return (isset($_FILES[$key]['size']) ? $_FILES[$key]['size'] : NULL);
	}

	function getError($key) {
		return (isset($_FILES[$key]['error']) ? $_FILES[$key]['error'] : NULL);
	}	
			
	function hasError($key){
		return !empty($_FILES[$key]['error']);
	}	
	
	function save($key, $file){
		if (file_exists($file)) {
			@unlink($file);
		}
		
		return @move_uploaded_file($_FILES[$key]['tmp_name'], $file);
	}	
}
?>